The SPT-10 PAD filter, measuring 42x42 inches, is engineered for high-performance air filtration. Offered by Koch Filter Corp, this filter comes in a pack of 8, making it ideal for large-scale applications. Its advanced design captures a wide range of airborne contaminants, ensuring cleaner air quality. Constructed from high-quality materials that comply with industry standards, this filter is suitable for both residential and commercial HVAC systems. Easy to install and replace, it enhances air flow and contributes to improved indoor air quality.